<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img :src="imgUrl">
        <span>电商后台管理系统</span>
      </div>
        <el-button type="info" @click="logout">退出</el-button>
    </el-header>

    <!-- 页面主体 -->
    <el-container>

      <!-- 侧边栏 -->
      <el-aside  :width="isCollapse ? '84px' : '300px' ">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单 -->
        <el-menu background-color="#545c64" text-color="#fff" router active-text-color="#409EFF" unique-opened :collapse="isCollapse" :collapse-transition="false">
          <!-- 一级菜单 -->
          <el-submenu :index="item.id + ''" v-for="item in menulist" :key="item.id">
            <!-- 一级菜单模板 -->
            <template slot="title">
              <!-- 图标 -->
              <i class="el-icon-location"></i>
              <!-- 文本 -->
              <span>{{item.authName}}</span>
            </template>

            <!-- 二级菜单  -->
              <el-menu-item :index="subItem.path + ''" v-for="subItem in item.children" :key="subItem.path">
                <template slot="title">
              <!-- 图标 -->
              <i class="el-icon-menu"></i>
              <!-- 文本 -->
              <span>{{subItem.authName}}</span>
            </template>
              </el-menu-item>
          </el-submenu>

        </el-menu>

      </el-aside>

      <!-- 右侧内容 -->
      <el-main> 
        <router-view></router-view>
      </el-main>

    </el-container>

  </el-container>

</template>

<script>
import { menusList } from "@/api/api.js";
export default {
  data() {
    return {
      imgUrl: require("../assets/微信图片_20220402113040.jpg"),
      // 左侧菜单数据
      menulist: [],
      // 是否折叠
      isCollapse: false,
      activePath: ""
    };
  },
  created() {
    this.leftMenu();
    this.activePath = window.sessionStorage.getItem("path");
  },
  methods: {
    // 获取所有菜单
    async leftMenu() {
      const res = await menusList();
      // console.log("左侧菜单", res);
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.menulist = res.data;
      // console.log(res.data);
    },
    logout() {
      window.localStorage.clear();
      this.$router.push("/login");
    },
    // 点击按钮，切换菜单的折叠与展开
    toggleCollapse() {
      this.isCollapse = !this.isCollapse;
    },
    saveNavState(activePath) {
      window.sessionStorage.setItem("activePath", activePath);
      this.activePath = activePath;
    }
  }
};
</script>

<style lang="scss" scoped>
// .el-aside{
//   height: 1000px;
// }
// .el-submenu{
//     height: 100px;
// }
.home-container {
  height: 100%;
}
// .el-menu-item{
//   height: 100px;
// }
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    img {
      height: 60px;
      border-radius: 20px;
    }
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  height: 1000px;
  .el-menu {
    border-right: none;
  }
}
.el.main {
  background-color: #eaedf1;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2rem;
  cursor: pointer;
}
</style>

